FL08 2 Bolt 8mm Bore Self-aligning Flange Ball BearingProduct Name : Flange Bearing;<br />tBore : 8mm / 0.3";Overall Size : 47.5 x 27 x 12.5mm / 1.8" x 1" x 0.5" (L* D* H)<br />tBolt Hole Diameter : 5mm / 0.2";Holes Centre Distance : 37mm / 1.45"<br />tMaterial : Metal;Net Weight : 28g<br />tPackage Content : 1 x Flange Bearingrger 1 x 3.5mm Earphone 1 x User Manual(English-Russian-Spanish-German)<br />Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error  is   1-3 cm.